U.S.A. On April 11th 1942, the United Air Lines flight from Chicago to New York overshot the runway at La Guardia Airport and landed in Bowery Bay A five line violet explanatory cachet ‘DELAYED DUE TO / AIR MAIL INTERRUPTION / AT / NEW YORK N. Y. APR 11 1942’ was applied. This cover was posted in Milwaukee APR 19. (Sanford Ref 420411)